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What is advantage of two-way association?
Two-way association advantages are following:
a) Independent of the classes.
b) Useful for existing predefined classes that are not modified.
Three way to handle missing field val
Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
what are the reasons having variable length records
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Which is another name for weak entity? Child is another name of weak entity.
Explain current page table and shadow page table. The key idea behind the shadow paging method is to maintain two page tables during the life of the transaction: the current pa
#queDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pic
what are information system hirarchy?
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
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